Niclas Bergfors (born March 7, 1987) is a Swedish professional ice hockey player currently playing for the Atlanta Thrashers of the National Hockey League (NHL). He was drafted by the New Jersey Devils in the first round, 23rd overall, at the 2005 NHL Entry Draft.

Bergfors was drafted as 23rd overall in the 2005 NHL Entry Draft by the New Jersey Devils. In 2004–05, Bergfors played for Södertälje SK of Sweden. Bergfors played on Team Sweden in the 2006 World Junior Hockey Championship and was also selected in the 2005 CHL Import Draft by the St. John's Fog Devils, but only played in pre-season for them before being re-assigned to Albany. He spent the 2006–07 season with the Lowell Devils of the American Hockey League (AHL).

On February 4, 2010, Bergfors was traded to the Atlanta Thrashers along with Johnny Oduya, Patrice Cormier and a 1st round draft pick in the 2010 NHL Entry Draft for Ilya Kovalchuk and Anssi Salmela